forked from bartvdbraak/blender
use the SUM driver type to avoid adding all values on each bone.
also avoids hitting the 255 string limit if you want to add 100's of values. eg.
>>> b05/max(0.001, [globals().update({"LOCALS":locals(), "ADD":float.__add__, "reduce":__import__("functools").reduce}), 0.0][1], max((, [LOCALS["b%.2d" % (i+1)] for i in range(5)])))
Since this more simple expression reaches the limit fairly quick...
>>> b05/max(0.001,b01+b02+b03+b04+b05)
This commit is contained in:
Campbell Barton
parent
f350cde18c
commit
ce49719a0c
@ -220,10 +220,21 @@ def main(obj, bone_definition, base_names):
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head_driver_path = mt.head_p.path_to_id()
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# b01/max(0.001,b01+b02+b03+b04+b05)
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target_names = [("b%.2d" % (i + 1)) for i in range(len(neck_chain))]
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expression_suffix = "/max(0.001,%s)" % "+".join(target_names)
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mt.head_p["bend_tot"] = 0.0
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fcurve = mt.head_p.driver_add('["bend_tot"]', 0)
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driver = fcurve.driver
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driver.type = 'SUM'
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fcurve.modifiers.remove(0) # grr dont need a modifier
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for i in range(len(neck_chain)):
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tar = driver.targets.new()
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tar.name = target_names[i]
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tar.id_type = 'OBJECT'
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tar.id = obj
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tar.rna_path = head_driver_path + ('["bend_%.2d"]' % (i + 1))
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for i, attr in enumerate(mt_chain.attr_names):
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neck_p = getattr(mt_chain, attr + "_p")
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@ -252,16 +263,23 @@ def main(obj, bone_definition, base_names):
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fcurve = con.driver_add("influence", 0)
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driver = fcurve.driver
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driver.type = 'SCRIPTED'
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# b01/max(0.001,b01+b02+b03+b04+b05)
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driver.expression = target_names[i] + expression_suffix
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driver.expression = "bend/bend_tot"
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fcurve.modifiers.remove(0) # grr dont need a modifier
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for j in range(len(neck_chain)):
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tar = driver.targets.new()
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tar.name = target_names[j]
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tar.id_type = 'OBJECT'
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tar.id = obj
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tar.rna_path = head_driver_path + ('["bend_%.2d"]' % (j + 1))
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# add target
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tar = driver.targets.new()
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tar.name = "bend_tot"
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tar.id_type = 'OBJECT'
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tar.id = obj
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tar.rna_path = head_driver_path + ('["bend_tot"]')
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tar = driver.targets.new()
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tar.name = "bend"
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tar.id_type = 'OBJECT'
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tar.id = obj
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tar.rna_path = head_driver_path + ('["%s"]' % prop_name)
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# no blending the result of this
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return None
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@ -364,12 +364,6 @@ def main(obj, bone_definition, base_names):
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prop["soft_min"] = 1.0 / spine_chain_len
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prop["soft_max"] = 1.0
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for i in range(spine_chain_len - 1):
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prop_name = "bend_%.2d" % (i + 1)
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prop = rna_idprop_ui_prop_get(mt.ribcage_p, prop_name, create=True)
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mt.ribcage_p[prop_name] = 1.0
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prop["soft_min"] = 0.0
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prop["soft_max"] = 1.0
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# Create a fake connected parent/child relationship with bone location constraints
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# positioned at the tip.
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@ -387,15 +381,32 @@ def main(obj, bone_definition, base_names):
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# Constrain 'inbetween' bones
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# b01/max(0.001,b01+b02+b03+b04+b05)
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target_names = [("b%.2d" % (i + 1)) for i in range(spine_chain_len - 1)]
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expression_suffix = "/max(0.001,%s)" % "+".join(target_names)
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rib_driver_path = mt.ribcage_p.path_to_id()
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mt.ribcage_p["bend_tot"] = 0.0
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fcurve = mt.ribcage_p.driver_add('["bend_tot"]', 0)
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driver = fcurve.driver
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driver.type = 'SUM'
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fcurve.modifiers.remove(0) # grr dont need a modifier
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for i in range(spine_chain_len - 1):
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tar = driver.targets.new()
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tar.name = target_names[i]
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tar.id_type = 'OBJECT'
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tar.id = obj
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tar.rna_path = rib_driver_path + ('["bend_%.2d"]' % (i + 1))
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print(rib_driver_path)
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for i in range(1, spine_chain_len):
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# Add bend prop
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prop_name = "bend_%.2d" % i
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prop = rna_idprop_ui_prop_get(mt.ribcage_p, prop_name, create=True)
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mt.ribcage_p[prop_name] = 1.0
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prop["soft_min"] = 0.0
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prop["soft_max"] = 1.0
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spine_p = getattr(ex_chain, ex_chain.attr_names[i] + "_p")
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spine_p_parent = spine_p.parent # interlaced bone
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@ -410,16 +421,24 @@ def main(obj, bone_definition, base_names):
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fcurve = con.driver_add("influence", 0)
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driver = fcurve.driver
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driver.type = 'SCRIPTED'
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# b01/max(0.001,b01+b02+b03+b04+b05)
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driver.expression = target_names[i - 1] + expression_suffix
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driver.expression = "bend/bend_tot"
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fcurve.modifiers.remove(0) # grr dont need a modifier
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for j in range(spine_chain_len - 1):
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tar = driver.targets.new()
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tar.name = target_names[j]
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tar.id_type = 'OBJECT'
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tar.id = obj
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tar.rna_path = rib_driver_path + ('["bend_%.2d"]' % (j + 1))
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# add target
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tar = driver.targets.new()
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tar.name = "bend_tot"
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tar.id_type = 'OBJECT'
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tar.id = obj
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tar.rna_path = rib_driver_path + ('["bend_tot"]')
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tar = driver.targets.new()
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tar.name = "bend"
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tar.id_type = 'OBJECT'
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tar.id = obj
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tar.rna_path = rib_driver_path + ('["%s"]' % prop_name)
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# original bone drivers
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